Analysis

  • max time kernel
    144s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/02/2024, 09:34

General

  • Target
    $PLUGINSDIR/System.dll
  • Size 11KB
  • Sample240219-ljsnrsca98
  • SHA256 681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59
  • MD5 SHA1 SHA512 SSDEEP
Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2396
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
      2⤵
        PID:2480
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2480 -s 612
          3⤵
          • Program crash
          PID:2212
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2480 -ip 2480
      1⤵
        PID:2900

      Network

            MITRE ATT&CK Matrix

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            Downloads